Preparation method of SiC particle reinforced 2024 aluminum-based composite material plate

An aluminum matrix composite material and particle reinforcement technology, which is applied in the field of preparation of 2024 aluminum matrix composite material sheets, can solve the problems of difficulty in mass production and high production cost, and achieve low processing equipment cost, low equipment cost and high strength. Effect

Active Publication Date: 2020-06-02
TAIYUAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The present invention aims to solve the technical problems of high production cost of existing particle-reinforced aluminum-based composite mate

Method used

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  • Preparation method of SiC particle reinforced 2024 aluminum-based composite material plate
  • Preparation method of SiC particle reinforced 2024 aluminum-based composite material plate
  • Preparation method of SiC particle reinforced 2024 aluminum-based composite material plate

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specific Embodiment approach 1

[0029] Specific implementation mode 1: This implementation mode is a preparation method of a SiC particle reinforced 2024 aluminum matrix composite material plate, which is carried out according to the following steps:

[0030] 1. Preparation of SiC particle reinforced 2024 aluminum matrix composite material:

[0031] Put the 2024 aluminum block in a resistance heating furnace, heat it to 750°C-780°C to melt the 2024 aluminum block in a protective atmosphere, and obtain a molten metal, then lower the temperature to 610°C-630°C in a protective atmosphere, and insert it into the resistance furnace Stirring paddle, add the pretreated SiC particles under the condition of protective atmosphere, 610℃~630℃ and mechanical stirring, then stir for 10min~30min under the condition of protective atmosphere and 610℃~630℃, take out the stirring blade, and then Raise the temperature to 750°C~780°C in the atmosphere, then cool down to 650°C~680°C, insert an ultrasonic horn into the resistance ...

specific Embodiment approach 2

[0040] Embodiment 2: The difference between this embodiment and Embodiment 1 is that the protective atmosphere in step 1 is argon. Others are the same as the first embodiment.

specific Embodiment approach 3

[0041] Embodiment 3: This embodiment differs from Embodiment 1 or Embodiment 2 in that: the particle size of the SiC particles described in Step 1 is 5 μm˜15 μm. Others are the same as those in Embodiment 1 or 2.

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Abstract

The invention discloses a preparation method of a SiC particle reinforced 2024 aluminum-based composite material plate, and relates to a preparation method of a 2024 aluminum-based composite materialplate. The preparation method aims to solve the technical problems that an existing particle reinforced aluminum-based composite material plate is high in production cost and difficult to realize batch production. The preparation method comprises the following steps of 1, preparing a SiC particle reinforced 2024 aluminum-based composite material; 2, carrying out hot extrusion; and 3, carrying outhot rolling. The SiC particle reinforced 2024 aluminum-based composite material thin plate obtained through stirring casting, extrusion and rolling has excellent mechanical properties, and has the advantages of being low in equipment cost, simple to operate and capable of being produced in a large scale.

Description

technical field [0001] The invention relates to a preparation method of a 2024 aluminum-based composite material plate. Background technique [0002] Particle-reinforced aluminum matrix composites have the advantages of high specific strength, high specific modulus, small thermal expansion coefficient, good high temperature resistance and wear resistance, and have been widely used as lightweight structural materials in aerospace, transportation, etc. transportation and other fields. In recent years, with the rapid development of domestic aerospace, automobile, and electronics industries, the demand for particle-reinforced aluminum matrix composites is increasing year by year. The main production process of particle reinforced aluminum matrix composite blanks is powder metallurgy. However, the blank produced by powder metallurgy has the problem of high porosity. To meet application requirements, billets are forged or extruded into finished products. This process is suitab...

Claims

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Application Information

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IPC IPC(8): C22C1/10C22C1/02B21C37/02C22C21/00C22C32/00C22F1/04
CPCB21C37/02C22C1/1005C22C1/1036C22C21/00C22C32/0063C22F1/04
Inventor 邓坤坤曹富翔吴玉程王翠菊聂凯波梁伟
Owner TAIYUAN UNIV OF TECH
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